Implied Base Correlations of Single-tranche CDOs on standardized Credit Indices such asthe iTraxx Europe have been used in the credit derivatives market for price communication.During the financial crisis, implied correlations have been quite volatile indicating thegrowing fraction of systematic...

This paper examines the role of bond ratings and the effects of rating-based regulations in thecorporate bond market. Exploiting an unanticipated mechanical change in how the benchmarkLehman bond indices are constructed in 2005, we show that rating-induced market segmentationof the bond market...

We integrate liquidity risk measured by the weighted spread into a Value-at-Risk (VaR) framework. The weighted spread measure extracts liquidity costs by order size from the limit order book. We show that it is precise from a risk perspective in a wide range of clearly defined situations.Using a...

This working paper surveys theoretical and empirical work about market liquidityand market liquidity risk. It addresses interested practitioners as well asstudents who want to gain a quick overview about the latest progress in researchin market liquidity.

Private Finanzplanung berücksichtigt die besonderen Eigenschaften illiquider Anlagen nur unzureichend. Der vorliegende Beitrag stellt zunächst ein wissenschaftliches Modell zu deren Berücksichtigung bei der Portfoliooptimierung vor. Er zeigt, dass Illiquidität starke Auswirkungen haben kann...

This paper analyzes the impact of capital adequacy regulation on bank insolvency and aggregate investment.

The 2007-2008 financial crises has made it painfully obvious that markets may quickly turn illiquid.Moreover, recent experience has shown that distress and lack of active trading can jump “around”between seemingly unconnected parts of the financial system contributing to transforming...

This paper revisits the issue of the optimal exchange rate regime in a flexible price environment. The key innovation is that we analyze this question in the context of environments where only a fraction of agents participate in asset market transactions (i.e., asset markets are segmented)....